function Lib_popProcess()
{
	if(process.style)
	{
		$("process_window_bg").setStyle({width:document.body.scrollWidth+'px',
													height:document.body.scrollHeight+'px'});
		$("process_window_bg").setStyle({display:'inline'});
		$("process").setStyle({display:'block'});
	}
}

<div id="process_window_bg"></div>
<div id="process" style="position:absolute; z-index:999;display:none;left:45%;top:65% ;width:100px">
<span><img name="" style="" src="/tops/conf/progress_bar.gif"></span>
</div>